Method for exchanging a 3D view between a first and a second...

Details Method for exchanging a 3D view between a first and a second... Method for exchanging a 3D view between a first and a second...

2006-07-21

2010-12-07

LaForgia, Christian (Department: 2439)

Electrical computers and digital processing systems: support

System access control based on user identification by...

C703S002000, C703S006000

Reexamination Certificate

active

07849322

ABSTRACT:
The invention relates to a method for exchanging a 3D view between a first and a second user having both a piece of software for creating 3D views. A view is created by the first user. This view comprises an encrypted object, the first user being licensed for the encrypted object. This view is stored in a file by the first user. The encrypted object is encrypted and the result of this encryption is stored as encrypted data in the file. According to the invention, non-encrypted data defining the encrypted object is stored in the file in parallel to the encrypted data relating to the encrypted object. This non-encrypted data can be read by the second user, so that the second user can see the encrypted object if he has acquired a license for this object, or a basic representation of the encrypted object if he has not acquired a license.

REFERENCES:
patent: 7170525 (2007-01-01), Fenney et al.
patent: 2003/0067474 (2003-04-01), Fenney et al.
patent: 2004/0002841 (2004-01-01), Mayuzumi et al.
patent: 2004/0221167 (2004-11-01), Fenney et al.
patent: 2005/0012756 (2005-01-01), Fenney et al.
patent: 2005/0055550 (2005-03-01), Fenney et al.
patent: 2007/0103481 (2007-05-01), Fenney et al.

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